Musher Jason Mackey leaves the start chute during the ceremonial start to the Iditarod dog sled race in downtown Anchorage, Alaska, March 1, 2014. Two of Mackey’s brothers as well as his dad have won the Iditarod but Jason himself has never won. REUTERS/Nathaniel Wilder (UNITED STATES – Tags: SPORT ANIMALS TPX IMAGES OF THE DAY) ORG XMIT: ANC101